141664633 has 4 divisors (see below), whose sum is σ = 154543248. Its totient is φ = 128786020.

The previous prime is 141664619. The next prime is 141664643. The reversal of 141664633 is 336466141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336466141 = 11 ⋅30587831.

It is not a de Polignac number, because 141664633 - 2¹³ = 141656441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141664643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439291 + ... + 6439312.

It is an arithmetic number, because the mean of its divisors is an integer number (38635812).

Almost surely, 2^141664633 is an apocalyptic number.

It is an amenable number.

141664633 is a deficient number, since it is larger than the sum of its proper divisors (12878615).

141664633 is a wasteful number, since it uses less digits than its factorization.

141664633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878614.

The product of its digits is 31104, while the sum is 34.

The square root of 141664633 is about 11902.2952828436. The cubic root of 141664633 is about 521.2993062373.

It can be divided in two parts, 1416 and 64633, that added together give a square (66049 = 257²).

The spelling of 141664633 in words is "one hundred forty-one million, six hundred sixty-four thousand, six hundred thirty-three".